Daito-Ryu Aikijujutsu Headquarters
https://www.daitohryu.com/
Daito-Ryu Aikijujutsu Shinbukan (Former Headquarters)
http://www.daito-ryu.org/jp/
Japan Traditional Martial Arts Association
http://www.nihonkobudokyoukai.org/
Japan Traditional Martial Arts Promotion Society
http://kobushin.jp/
Nippon Budokan
https://www.nipponbudokan.or.jp/